CN107565701B - Electronic device and circuit control method - Google Patents
Electronic device and circuit control method Download PDFInfo
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- CN107565701B CN107565701B CN201710888092.5A CN201710888092A CN107565701B CN 107565701 B CN107565701 B CN 107565701B CN 201710888092 A CN201710888092 A CN 201710888092A CN 107565701 B CN107565701 B CN 107565701B
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Abstract
The invention discloses an electronic device and a circuit control method, comprising the following steps: a battery for storing electrical energy; the first power transmission module is connected with the battery and can be used for generating first type electromagnetic induction with first equipment and transmitting the power of the first equipment to the battery through the first type electromagnetic induction; and the second power transmission module is connected with the battery and can be used for generating second type electromagnetic induction with second equipment and transmitting the power in the battery to the second equipment through the second type electromagnetic induction.
Description
Technical Field
The present invention relates to the field of wireless charging technologies, and in particular, to an electronic device and a circuit control method.
Background
The appearance of mobile power supply makes the user also can charge mobile terminal under the scene of going out, and present mobile power supply adopts wired charging mode mostly, promptly: the mobile power supply is connected to the mobile terminal in a wired mode to charge the mobile terminal, and the mobile power supply is also connected to the fixed power supply jack in a wired mode to store electricity for the mobile power supply. Therefore, the current mobile power supply can only realize wired charging/power supply, which is inconvenient, and the wire of the mobile power supply affects the portability and appearance of the mobile power supply.
Disclosure of Invention
To solve the above technical problem, an embodiment of the present invention provides an electronic device and a circuit control method.
The electronic device provided by the embodiment of the invention comprises:
a battery for storing electrical energy;
the first power transmission module is connected with the battery and can be used for generating first type electromagnetic induction with first equipment and transmitting the power of the first equipment to the battery through the first type electromagnetic induction;
and the second power transmission module is connected with the battery and can be used for generating second type electromagnetic induction with second equipment and transmitting the power in the battery to the second equipment through the second type electromagnetic induction.
In an embodiment of the present invention, the first power transmission module includes a coil for implementing the first type of electromagnetic induction;
the second power transfer module comprises a coil for effecting the second type of electromagnetic induction;
wherein the coil for implementing the first type of electromagnetic induction and the coil for implementing the second type of electromagnetic induction are the same coil.
In the embodiment of the invention, the first electric energy transmission module further comprises a circuit for realizing a charging function and a battery adapting circuit;
the second electric energy transmission module also comprises a circuit for realizing a power supply function and a voltage drop conversion circuit;
the circuit for realizing the charging function and the circuit for realizing the power supply function are the same circuit, wherein,
the first end of the circuit is connected with the coil, the second end of the circuit is connected with the battery adapting circuit through a first switch, and is connected with the voltage drop conversion circuit through a second switch, and the battery adapting circuit and the voltage drop conversion circuit are both connected with the battery.
In an embodiment of the present invention, the electronic apparatus further includes: the control module is connected with the first switch and the second switch and used for controlling the states of the first switch and the second switch; wherein the content of the first and second substances,
if the first switch is in an on state and the second switch is in an off state, the electric energy transmission device is in a charging state;
and if the first switch is in a closed state and the second switch is in an open state, the electric energy transmission device is in a power supply state.
In an embodiment of the present invention, the electronic apparatus further includes:
and the input module is connected with the control module and used for triggering the control module to control the first switch to be in an on state or an off state and control the second switch to be in an off state or an on state when the switching signal is acquired.
In an embodiment of the present invention, the electronic apparatus further includes:
and the sensor is connected with the control module and used for detecting environmental parameters, and if the environmental parameters meet a first preset condition, the sensor triggers the control module to control the first switch to be in an on state or an off state and control the second switch to be in an off state or an on state.
In the embodiment of the invention, the coil is arranged on the first side of the electronic device;
the sensor is used for detecting a state parameter of the first side; and if the state parameter of the first side meets a second preset condition, triggering the control module to control the first switch to be in an on state or an off state, and controlling the second switch to be in an off state or an on state.
In an embodiment of the present invention, the electronic apparatus further includes:
and the fixing device can form an accommodating space on the outer side corresponding to the second power transmission module of the electronic device, and the relative position relation of the target equipment relative to the electronic device can be maintained through the accommodating space.
In the embodiment of the invention, the accommodating space formed by the fixing device has at least two accommodating states.
The circuit control method provided by the embodiment of the invention comprises the following steps:
controlling a first switch in the first power transmission module and a second switch in the second power transmission module based on the detected control signal;
if the first switch is in an on state and the second switch is in an off state, triggering the first power transmission module to be in a charging state, wherein the first power transmission module in the charging state can transmit the power of the first device to the battery through a first type of electromagnetic induction;
if the first switch is in a closed state and the second switch is in an open state, the second electric energy transmission module is triggered to be in a power supply state, and the second electric energy transmission module in the power supply state can transmit the electric energy in the battery to second equipment through second type of electromagnetic induction.
In the technical scheme of the embodiment of the invention, the electronic device is provided with two electric energy transmission modules which are respectively a first electric energy transmission module and a second electric energy transmission module, wherein the first electric energy transmission module can be used for generating first type electromagnetic induction with first equipment and transmitting the electric energy of the first equipment to the battery through the first type electromagnetic induction, so that the self power storage is realized through the electromagnetic induction; the second electric energy transmission module can be used for generating second type electromagnetic induction with second equipment and transmitting the electric energy in the battery to the second equipment through the second type electromagnetic induction, so that charging of external equipment is realized through the electromagnetic induction. The electronic device provided by the embodiment of the invention realizes bidirectional wireless charging, embodies the portability of the mobile power supply, and can realize self power storage and charging of external equipment without an external wire.
Drawings
FIG. 1 is a first schematic structural diagram of an electronic device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an electronic device according to an embodiment of the invention;
FIG. 3 is a third schematic view illustrating a structural configuration of an electronic device according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an electronic device according to an embodiment of the invention;
FIG. 6 is a diagram illustrating an electronic device according to an embodiment of the invention;
FIG. 7 is a sixth schematic structural diagram of an electronic device according to an embodiment of the invention;
fig. 8 is a seventh structural schematic diagram of an electronic device according to an embodiment of the invention;
fig. 9 is a schematic diagram of a circuit control method according to an embodiment of the invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
Fig. 1 is a schematic structural composition diagram of an electronic device according to an embodiment of the present invention, as shown in fig. 1, the electronic device includes:
a battery 11 for storing electrical energy;
the first power transmission module 12 is connected with the battery 11 and can be used for generating a first type of electromagnetic induction with a first device and transmitting the power of the first device to the battery 11 through the first type of electromagnetic induction;
and a second power transmission module 13, connected to the battery 11, and configured to generate a second type of electromagnetic induction with a second device, and transmit the power in the battery 11 to the second device through the second type of electromagnetic induction.
In the embodiment of the present invention, the electronic apparatus may also be referred to as a charger Pal (Charge Pal) or a mobile power supply, or a device with a mobile power supply function, such as a notebook, a mobile phone, an adapter, etc. with a mobile power supply function, and the electronic apparatus itself has a battery to Charge the mobile device. Here, the battery in the electronic device may be, but is not limited to, a lithium battery, and the battery supports charging itself and also supports supplying power to the outside.
In the embodiment of the present invention, the electronic device includes two power transmission modules, which are respectively: the first electric energy transmission module and the second electric energy transmission module are connected with the battery. By controlling the working states of the two power transmission modules, the electronic device can be in different working modes. The following describes two operation modes of the electronic device:
1) and (3) a charging working mode: the method comprises the steps of controlling a first electric energy transmission module and first equipment to generate first type electromagnetic induction, and transmitting electric energy of the first equipment to a battery through the first type electromagnetic induction.
Here, the first device may be the same type of device as the electronic apparatus, or may be a different type of device from the electronic apparatus, for example: the first device can be a wireless charger and can also be another charger baby. If the first device is a wireless charger (e.g., a wireless charging dock), the first device transfers power from a fixed power source (e.g., 220V AC) to a battery in the electronic apparatus via a first type of electromagnetic induction. If the first device is a power bank, the power bank transfers power from its battery to a battery in the electronic device via a first type of electromagnetic induction.
In the embodiment of the present invention, the first type of electromagnetic induction means: the first power transmission module is used as an energy exciter, the first equipment generates a variable electromagnetic field through a coil of the first equipment, and the variable electromagnetic field passes through a coil corresponding to the first power transmission module, so that the coil corresponding to the first power transmission module generates electromagnetic induction to generate current in the coil.
2) And (3) a power supply working mode: and controlling a second electric energy transmission module and second equipment to generate second type electromagnetic induction, and transmitting the electric energy in the battery to the second equipment through the second type electromagnetic induction.
Here, the second device may be the same type of device as the electronic apparatus, or may be a different type of device from the electronic apparatus, for example: the second device may be a mobile terminal or another power bank. If the second device is a mobile terminal, the electronic apparatus transfers power from its battery to the battery in the mobile terminal by a second type of electromagnetic induction. If the second device is a power bank, the electronic device transfers power from its battery to the battery in the power bank via a second type of electromagnetic induction.
In the embodiment of the present invention, the second type of electromagnetic induction means: the second power transmission module is used as an exciter of energy, the second device is used as an exciter of the energy, a coil corresponding to the second power transmission module generates a variable electromagnetic field, and the variable electromagnetic field passes through a coil in the second device, so that the coil in the second device generates electromagnetic induction to generate current in the coil.
The electronic device provided by the embodiment of the invention can be used for storing power for the electronic device through electromagnetic induction and supplying power for external equipment through electromagnetic induction, so that bidirectional wireless charging is realized.
Fig. 2 is a schematic structural composition diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 2, the electronic device includes:
a battery 11 for storing electrical energy;
the first power transmission module 12 is connected with the battery 11 and can be used for generating a first type of electromagnetic induction with a first device and transmitting the power of the first device to the battery 11 through the first type of electromagnetic induction;
and a second power transmission module 13, connected to the battery 11, and configured to generate a second type of electromagnetic induction with a second device, and transmit the power in the battery 11 to the second device through the second type of electromagnetic induction.
In an embodiment of the present invention, the first power transmission module 12 includes a coil 14 for implementing the first type of electromagnetic induction; the second power transfer module 13 comprises a coil 14 for implementing the second type of electromagnetic induction;
wherein the coil 14 for implementing the first type of electromagnetic induction and the coil 14 for implementing the second type of electromagnetic induction are the same coil 14.
In the embodiment of the present invention, the electronic device may also be referred to as a charger (Charge Pal) or a mobile power source, and the electronic device itself has a battery to Charge the mobile device. Here, the battery in the electronic device may be, but is not limited to, a lithium battery, and the battery supports charging itself and also supports supplying power to the outside.
In the embodiment of the present invention, the electronic device includes two power transmission modules, which are respectively: the first electric energy transmission module and the second electric energy transmission module are connected with the battery. By controlling the working states of the two power transmission modules, the electronic device can be in different working modes. The following describes two operation modes of the electronic device:
1) and (3) a charging working mode: the method comprises the steps of controlling a first electric energy transmission module and first equipment to generate first type electromagnetic induction, and transmitting electric energy of the first equipment to a battery through the first type electromagnetic induction.
Here, the first device may be the same type of device as the electronic apparatus, or may be a different type of device from the electronic apparatus, for example: the first device can be a wireless charger and can also be another charger baby. If the first device is a wireless charger (e.g., a wireless charging dock), the first device transfers power from a fixed power source (e.g., 220V AC) to a battery in the electronic apparatus via a first type of electromagnetic induction. If the first device is a power bank, the power bank transfers power from its battery to a battery in the electronic device via a first type of electromagnetic induction.
In the embodiment of the present invention, the first type of electromagnetic induction means: the first power transmission module is used as an energy exciter, the first equipment generates a variable electromagnetic field through a coil of the first equipment, and the variable electromagnetic field passes through a coil corresponding to the first power transmission module, so that the coil corresponding to the first power transmission module generates electromagnetic induction to generate current in the coil.
2) And (3) a power supply working mode: and controlling a second electric energy transmission module and second equipment to generate second type electromagnetic induction, and transmitting the electric energy in the battery to the second equipment through the second type electromagnetic induction.
Here, the second device may be the same type of device as the electronic apparatus, or may be a different type of device from the electronic apparatus, for example: the second device may be a mobile terminal or another power bank. If the second device is a mobile terminal, the electronic apparatus transfers power from its battery to the battery in the mobile terminal by a second type of electromagnetic induction. If the second device is a power bank, the electronic device transfers power from its battery to the battery in the power bank via a second type of electromagnetic induction.
In the embodiment of the present invention, the second type of electromagnetic induction means: the second power transmission module is used as an exciter of energy, the second device is used as an exciter of the energy, a coil corresponding to the second power transmission module generates a variable electromagnetic field, and the variable electromagnetic field passes through a coil in the second device, so that the coil in the second device generates electromagnetic induction to generate current in the coil.
In the embodiment of the present invention, the coil for implementing the first type of electromagnetic induction in the first power transmission module and the coil for implementing the second type of electromagnetic induction in the second power transmission module are the same coil, and in this case, a charging process or a power supply process of the electronic device is implemented by one coil, which can effectively save the cost of the electronic device. Of course, the solution of the embodiment of the present invention is not limited to this, and the coil used for implementing the first type of electromagnetic induction in the first power transmission module and the coil used for implementing the second type of electromagnetic induction in the second power transmission module are different coils, in this case, the two independent coils are used to implement the charging process and the power supply process of the electronic device, respectively.
Fig. 3 is a schematic structural composition diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 3, the electronic device includes:
a battery 11 for storing electrical energy;
the first power transmission module 12 is connected with the battery 11 and can be used for generating a first type of electromagnetic induction with a first device and transmitting the power of the first device to the battery 11 through the first type of electromagnetic induction;
and a second power transmission module 13, connected to the battery 11, and configured to generate a second type of electromagnetic induction with a second device, and transmit the power in the battery 11 to the second device through the second type of electromagnetic induction.
In an embodiment of the present invention, the first power transmission module 12 includes a coil 14 for implementing the first type of electromagnetic induction; the second power transfer module 13 comprises a coil 14 for implementing the second type of electromagnetic induction;
wherein the coil 14 for implementing the first type of electromagnetic induction and the coil 14 for implementing the second type of electromagnetic induction are the same coil 14.
In the embodiment of the present invention, the first power transmission module 12 further includes a circuit 15 for implementing a charging function and a battery adapting circuit 16;
the second power transmission module 13 further comprises a circuit 15 for realizing a power supply function and a voltage drop conversion circuit 17;
the circuit 15 for implementing the charging function and the circuit 15 for implementing the power supply function are the same circuit 15, wherein,
a first end of the circuit 15 is connected to the coil 14, a second end of the circuit 15 is connected to the battery adapter circuit 16 through a first switch 18, and is connected to the voltage drop conversion circuit 17 through a second switch 19, and both the battery adapter circuit 16 and the voltage drop conversion circuit 17 are connected to the battery 11.
In the embodiment of the present invention, the electronic device may also be referred to as a charger (Charge Pal) or a mobile power source, and the electronic device itself has a battery to Charge the mobile device. Here, the battery in the electronic device may be, but is not limited to, a lithium battery, and the battery supports charging itself and also supports supplying power to the outside.
In the embodiment of the present invention, the electronic device includes two power transmission modules, which are respectively: the first electric energy transmission module and the second electric energy transmission module are connected with the battery. By controlling the working states of the two power transmission modules, the electronic device can be in different working modes. The following describes two operation modes of the electronic device:
1) and (3) a charging working mode: the method comprises the steps of controlling a first electric energy transmission module and first equipment to generate first type electromagnetic induction, and transmitting electric energy of the first equipment to a battery through the first type electromagnetic induction.
Here, the first device may be the same type of device as the electronic apparatus, or may be a different type of device from the electronic apparatus, for example: the first device can be a wireless charger and can also be another charger baby. If the first device is a wireless charger (e.g., a wireless charging dock), the first device transfers power from a fixed power source (e.g., 220V AC) to a battery in the electronic apparatus via a first type of electromagnetic induction. If the first device is a power bank, the power bank transfers power from its battery to a battery in the electronic device via a first type of electromagnetic induction.
In the embodiment of the present invention, the first type of electromagnetic induction means: the first power transmission module is used as an energy exciter, the first equipment generates a variable electromagnetic field through a coil of the first equipment, and the variable electromagnetic field passes through a coil corresponding to the first power transmission module, so that the coil corresponding to the first power transmission module generates electromagnetic induction to generate current in the coil.
2) And (3) a power supply working mode: and controlling a second electric energy transmission module and second equipment to generate second type electromagnetic induction, and transmitting the electric energy in the battery to the second equipment through the second type electromagnetic induction.
Here, the second device may be the same type of device as the electronic apparatus, or may be a different type of device from the electronic apparatus, for example: the second device may be a mobile terminal or another power bank. If the second device is a mobile terminal, the electronic apparatus transfers power from its battery to the battery in the mobile terminal by a second type of electromagnetic induction. If the second device is a power bank, the electronic device transfers power from its battery to the battery in the power bank via a second type of electromagnetic induction.
In the embodiment of the present invention, the second type of electromagnetic induction means: the second power transmission module is used as an exciter of energy, the second device is used as an exciter of the energy, a coil corresponding to the second power transmission module generates a variable electromagnetic field, and the variable electromagnetic field passes through a coil in the second device, so that the coil in the second device generates electromagnetic induction to generate current in the coil.
In the embodiment of the present invention, the coil for implementing the first type of electromagnetic induction in the first power transmission module and the coil for implementing the second type of electromagnetic induction in the second power transmission module are the same coil, and in this case, a charging process or a power supply process of the electronic device is implemented by one coil, which can effectively save the cost of the electronic device. Of course, the solution of the embodiment of the present invention is not limited to this, and the coil used for implementing the first type of electromagnetic induction in the first power transmission module and the coil used for implementing the second type of electromagnetic induction in the second power transmission module are different coils, in this case, the two independent coils are used to implement the charging process and the power supply process of the electronic device, respectively.
In the embodiment of the invention, the circuit for realizing the charging function in the first electric energy transmission module and the circuit for realizing the power supply function in the second electric energy transmission module are the same circuit, and in this case, a set of circuits is used for realizing the charging process or the power supply process of the electronic device, so that the cost of the electronic device can be effectively saved. Certainly, the scheme of the embodiment of the present invention is not limited to this, the circuit for implementing the charging function in the first power transmission module and the circuit for implementing the power supply function in the second power transmission module are different circuits, and in this case, the charging process and the power supply process of the electronic device are respectively implemented by two sets of independent circuits.
In one embodiment, the circuitry for implementing the charging function and the power supply function is implemented by a STWL33 chip. The first switch and the second switch may be implemented by an insulated gate field effect transistor (MOS transistor).
In an embodiment of the present invention, the electronic apparatus further includes: a control module 110, wherein the control module 110 is connected to the first switch 18 and the second switch 19, and is configured to control states of the first switch 18 and the second switch 19; wherein the content of the first and second substances,
if the first switch 18 is in the on state and the second switch 19 is in the off state, the power transmission device is in the charging state;
if the first switch 18 is in the off state and the second switch 19 is in the on state, the power transmission device is in the power supply state.
The following describes the charging process and the power supply process of the electronic device with reference to the states of the two switches:
1) and (3) charging process: the first switch is turned on, the second switch is turned off, the coil induces alternating current from the first device, the alternating current is processed by the circuit and then outputs direct current to the battery adapting circuit, and the battery adapting circuit converts the direct current into a state capable of storing electricity for the battery and then outputs the state to the battery to finish charging.
2) And (3) a power supply process: the first switch is closed and the second switch is opened, the battery outputs direct current to the voltage drop conversion circuit, the voltage drop conversion circuit outputs current to the circuit after voltage reduction processing is carried out on the current, the circuit converts the direct current into alternating current and then converts the alternating current into an electromagnetic field in a coil mode to radiate the electromagnetic field, and the electromagnetic field enables the current sensed by the second equipment to be transmitted to the battery of the second equipment through the coil of the second equipment, so that power supply is completed.
In the above scheme, the control module may control the states of the first switch and the second switch by the following processes:
the control module sends a first voltage signal to the first switch to control the first switch to be in a closed state, and sends a second voltage signal to the second switch to control the second switch to be in an open state; alternatively, the first and second electrodes may be,
the control chip sends a second voltage signal to the first switch to control the first switch to be in an on state, and sends a first voltage signal to the second switch to control the second switch to be in an off state.
The first voltage signal is a low voltage, and the second voltage signal is a high voltage.
Fig. 4 is a schematic structural composition diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 4, the electronic device in this embodiment is added with the following modules on the basis of fig. 3:
and the input module 111 is connected to the control module 110, and is configured to trigger the control module 110 to control the first switch 18 to be in an on state or an off state and control the second switch 19 to be in an off state or an on state when the switching signal is acquired.
In one embodiment, the input module may be a mechanical button or a virtual button (e.g., a button on a touch screen display) on the electronic device that the user can operate on to trigger the button to acquire the switching signal.
In another embodiment, the input module may be a communication module on the electronic apparatus, such as a bluetooth module, a mobile communication module, a wireless lan module, etc., and the communication module detects a switching signal transmitted by a remote control device, where the remote control device may be a mobile phone, a remote controller, etc.
Here, the role of the switching signal is: setting the first switch and the second switch to a certain state, for example, the first switch is in an open state, and the second switch is in a closed state; or the first switch is in a closed state, and the second switch is in an open state. In an example, the electronic device is in a charging state by default, that is, under a default condition, the first switch is in an on state, the second switch is in an off state, and when the input module acquires the switching signal, the first switch is controlled to be in the off state, and the second switch is controlled to be in the on state, that is, the electronic device is switched to the power supply state.
Fig. 5 is a schematic structural composition diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 5, the electronic device in this embodiment is added with the following modules on the basis of fig. 3:
and a sensor 112, connected to the control module 110, for detecting an environmental parameter, and if the environmental parameter meets a first preset condition, triggering the control module 110 to control the first switch 18 to be in an on state or an off state, and controlling the second switch 19 to be in an off state or an on state.
In one embodiment, the sensor may be a gravity sensor or a gyroscope on the electronic device, and the pose of the electronic device can be detected by the sensor, and it is determined which side of the electronic device faces upward and which side faces downward based on the pose of the electronic device.
In another embodiment, the sensor may be a light intensity sensor on the electronic device, and the light intensity of a specific area can be detected by the sensor, for example: the sensor is arranged on a certain surface of the electronic device, the light intensity detected by the sensor is the light intensity faced by the surface, and based on the light intensity detected by the sensor, the approximate orientation of the surface on the electronic device can be judged; typically, the light source is located on top of the electronic device, so that the intensity of light detected by the sensor is strong if the surface is facing upwards, and weak if the surface is facing downwards.
In the above-described scheme, the environmental parameter detected by the sensor is to determine the pose of the electronic device, for example, which face of the electronic device is upward and which face is downward. Determining whether the electronic device is in a charging body or a power supply state through the pose of the electronic device, and if the electronic device is in the charging state, controlling the first switch to be in an on state and the second switch to be in an off state; and if the power supply state is achieved, the first switch is controlled to be in a closed state, and the second switch is controlled to be in an open state.
In one embodiment, the coil 14 is disposed on a first side of the electronic device;
the sensor 112 is used for detecting a state parameter of the first side; if the state parameter of the first side meets a second preset condition, the control module 110 is triggered to control the first switch 18 to be in an on state or an off state, and control the second switch 19 to be in an off state or an on state.
As shown in fig. 6, the electronic device has at least a first side and a second side, which are parallel or substantially parallel to the screen on which the coil is located, although the electronic device also has other sides. If the coil is located on the first side of the electronic device, that is, the coil is located near the first side of the electronic device, at this time, if it is desired to implement a charging process using the coil, the first side needs to be close to the wireless charger (that is, the wireless charging base); similarly, to realize the power supply process by using the coil, the first side needs to be close to the mobile terminal. Based on this, the sensor detects the orientation of the first surface, if the first surface is oriented upwards, the electronic device normally realizes the power supply function, and at the moment, the first switch is controlled to be in a closed state, and the second switch is controlled to be in an open state; if the first surface faces downwards, the electronic device normally realizes a charging function, and at the moment, the first switch is controlled to be in an on state, and the second switch is controlled to be in an off state.
In an application scenario, the wireless charging base is used for charging the electronic device, the wireless charging base is placed on a desktop, the electronic device is placed on the wireless charging base, and the electronic device is located on the wireless charging base. In another application scenario, the electronic device is used for charging the mobile terminal, the electronic device is placed on a desktop, the mobile terminal is placed on the electronic device, and the mobile terminal is located on the electronic device, so that when the first surface (i.e. the surface close to the coil) of the electronic device is close to the mobile terminal, the first surface faces upwards, and charging for the mobile terminal is achieved.
Fig. 7 is a schematic structural diagram six of an electronic apparatus according to an embodiment of the present invention, and as shown in fig. 7, the electronic apparatus includes the following electronic devices:
inductor L1, capacitor C1, capacitor C2, chip STWLC33, capacitor C3, MOS tube Q1, MOS tube Q2, battery charge module, buck module, MOS tube Q3, MOS tube Q4, battery and MCU. The chip STWLC33 is a bidirectional wireless charging chip, the chip can realize both a charging process and a power supply process, and only one set of wireless charging circuit and coil is needed in the embodiment of the invention.
The charging process and the power supply process of the electronic apparatus are described below with reference to respective devices in the electronic apparatus.
1) And (3) charging process: the chip STWLC33 defaults to a charging (Rx) mode, and the electronic device does not provide power to the chip during standby. When the electronic device is placed on the wireless charging base, electricity is induced from the wireless charging base on the coil L1, power is supplied to the chip to trigger the chip to work, and the Vout pin of the chip outputs 5V. Meanwhile, the MCU is electrified, when the MCU detects that Vout is electrified, the Q2 and the Q4 are turned off, the Q1 and the Q3 are turned on, and the battery is charged through a battery charger.
2) And (3) a power supply process: when the electronic device is required to supply power to the mobile terminal, the power button is pressed, the MCU is awakened, the MCU turns off the Q1 to turn on the Q2, turns off the Q3 to turn on the Q4, enables the (enable) buck module, outputs the output of the buck module to Vout, the chip is automatically switched to a power supply (Tx) mode, and energy is output from the coil L1 to the mobile terminal.
It should be noted that the switching of the chip from the Rx mode to the Tx mode can be realized not only by power button, but also by automatic identification, and specifically, the MCU controls Q1 and Q2 to be turned on for a period of time respectively, and sequentially switches the Rx mode and the Tx mode of the chip. If the electronic device is placed on the wireless charging base within the time when the Q1 is turned on, the Vout pin is electrified, the chip is fixed in the Rx mode, otherwise, the electronic device is automatically switched to the Tx mode, the electronic device outputs energy, if the mobile terminal and the electronic device generate electromagnetic induction, the chip is fixed in the Tx mode, otherwise, the mode is continuously switched.
On the other hand, an embodiment of the present invention further provides an electronic device structure, where the electronic device in this embodiment adds the following modules on the basis of any of the electronic devices described above:
and the fixing device can form an accommodating space on the outer side corresponding to the second power transmission module of the electronic device, and the relative position relation of the target equipment relative to the electronic device can be maintained through the accommodating space.
Wherein the accommodating space formed by the fixing device has at least two accommodating states.
In this embodiment, the fixing device is used to fix the target device in the electronic apparatus at a position close to the coil (the coil for implementing the power supply process), so as to implement wireless power supply for the target device. Since the power supply process is realized by the second power transmission module, the fixing device forms an accommodating space at the corresponding outer side of the second power transmission module to fix the target device. In one embodiment, the coil for implementing the power supply process and the coil for implementing the charging process are the same coil, and assuming that the coil is disposed on a first side of the electronic device, the fixing device forms an accommodating space on an outer side of the electronic device corresponding to the first side, and the target device is accommodated in the accommodating space so as to be fixed to the target device.
In this embodiment, the accommodating space formed by the fixing device has at least two accommodating states, so that the form of the fixing device can be adjusted according to target devices with different sizes, and the target devices with different sizes are fixed on the side of the electronic device close to the coil.
Assuming that the coil is located at a first side of the electronic device, in an embodiment the fixing means comprises a first fixing structure arranged at a first end of said first side and a second fixing structure arranged at a second end of said first side. The relative positional relationship between the target device and the power transmission device can be maintained by changing the form of the first fixing structure and the form of the second fixing structure. Specifically, the first fixing structure/the second fixing structure is an elastic structure, and the first fixing structure/the second fixing structure at least has a first stable state and a second stable state, and when the first fixing structure/the second fixing structure is deformed from the first stable state to the second stable state, the first fixing structure/the second fixing structure can form an accommodating space and maintain a relative positional relationship between the target device and the power transmission device unchanged.
In an application scene, the target equipment is a telephone, so that the mobile phone and the mobile power supply can be conveniently overlapped together by the fixing device in the process of using the telephone by a user, and the mobile power supply and the telephone can be placed in the storage bag together for continuous wireless power supply when the telephone is not used. In addition, the mobile power supply can be adapted to wireless charging mobile phones with various sizes, and the mobile phone can be wirelessly charged in both a static state and a moving state, so that the use of the mobile phone is not influenced.
Fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, as shown in fig. 8, the size of the electronic device (i.e., a mobile power supply) is close to the length/width/thickness of a mobile phone, two flexible plastic sheets (corresponding to the first fixing structure and the second fixing structure) with certain hardness are disposed on two sides of the lower surface of an upper cover of the electronic device, and the two flexible plastic sheets are normally hidden under the upper cover and can be extracted through a sliding slot when in use, and the extracted length can be controlled through a groove on the sliding slot and adjusted according to mobile phones with different widths. After the mobile phone is placed on the electronic device, the plastic sheets are clamped on the edges of the mobile phone from two sides, and then the mobile phone can be fixed on the electronic device for wireless charging.
In an embodiment of the present invention, the fixing device is a flexible fixing device, for example: a flexible spring sheet. The elastic sheet can be bent to form different angles, one end of the elastic sheet is fixed on one side of the electronic device, and the other end of the elastic sheet is located at different positions along with the bending of the elastic sheet in different degrees. The elastic sheet forms an accommodating space with the electronic device through the bending of the elastic sheet, and the accommodating space can be used for placing the mobile terminal. The shell fragment angle of buckling is different, can hold the mobile terminal of different sizes.
Without being limited thereto, the fixing means may also be a loose fixing means, such as: and an elastic thread, wherein the outermost end of the elastic thread has a locking member, one end of the elastic thread is fixed to one side of the electronic device, and the other end of the elastic thread can be positioned at different positions along with the stretching of the elastic thread. The mobile terminal is placed on the electronic device, the elastic thread is wound around the outside of the mobile terminal by stretching the elastic thread, and then the elastic thread is locked at a certain fixing position of the electronic device by the locking member, thereby fixing the mobile terminal on the electronic device by the elastic thread. The elastic thread can be stretched to different lengths and has any bending angle, so that various styles of mobile terminals can be fixed on the electronic device through the elastic thread.
In an embodiment of the present invention, the fixing device may include a plurality of fixing structures, for example, a plurality of elastic pieces, a plurality of elastic threads, and the like. The fixing device is in different states according to the fixing structure, and has at least three states: two accommodated states, an open state. The accommodating state is a state in which the fixing device forms an accommodating space, and the open state is a state in which the fixing device is in the open state but the accommodating space is not formed yet. In addition, the fixing device also has an original state, namely a storage state, which means that each fixing structure of the fixing device is stored in the electronic device and is in a hidden state.
In the embodiment of the invention, in order to ensure the stability of the mobile terminal, at least two fixing structures are included in the fixing device, and the two fixing structures can be arranged on two sides of the electronic device in a diagonal manner, so that the fixing structure on one side can fix the upper half part of the mobile terminal, and the fixing structure on the other side can fix the lower half part of the mobile terminal. Of course, the fixing structures included in the fixing device may also be three, four, etc., and taking 4 fixing structures as an example, the 4 fixing structures may be two fixing structures disposed on one side of the electronic device, and the other two fixing structures are symmetrically disposed on the other side of the electronic device.
Fig. 9 is a schematic diagram of a circuit control method according to an embodiment of the present invention, and as shown in fig. 9, the circuit control method includes:
step 901: and controlling a first switch in the first power transmission module and a second switch in the second power transmission module based on the detected control signal.
The scheme of the embodiment of the invention is applied to any electronic device, and the electronic device comprises:
a battery for storing electrical energy;
the first power transmission module is connected with the battery and can be used for generating first type electromagnetic induction with first equipment and transmitting the power of the first equipment to the battery through the first type electromagnetic induction;
and the second power transmission module is connected with the battery and can be used for generating second type electromagnetic induction with second equipment and transmitting the power in the battery to the second equipment through the second type electromagnetic induction.
Wherein the first power transfer module comprises a coil for implementing the first type of electromagnetic induction;
the second power transfer module comprises a coil for effecting the second type of electromagnetic induction;
wherein the coil for implementing the first type of electromagnetic induction and the coil for implementing the second type of electromagnetic induction are the same coil.
The first electric energy transmission module further comprises a circuit for realizing a charging function and a battery adapting circuit;
the second electric energy transmission module also comprises a circuit for realizing a power supply function and a voltage drop conversion circuit;
the circuit for realizing the charging function and the circuit for realizing the power supply function are the same circuit, wherein,
the first end of the circuit is connected with the coil, the second end of the circuit is connected with the battery adapting circuit through a first switch, and is connected with the voltage drop conversion circuit through a second switch, and the battery adapting circuit and the voltage drop conversion circuit are both connected with the battery.
Further, the electronic device further includes: the control module is connected with the first switch and the second switch and used for controlling the states of the first switch and the second switch; wherein the content of the first and second substances,
if the first switch is in an on state and the second switch is in an off state, the electric energy transmission device is in a charging state;
and if the first switch is in a closed state and the second switch is in an open state, the electric energy transmission device is in a power supply state.
In this way, the control module controls the first switch in the first power transmission module and the second switch in the second power transmission module based on the detected control signal.
Step 902: if the first switch is in an on state and the second switch is in an off state, the first electric energy transmission module is triggered to be in a charging state, and the first electric energy transmission module in the charging state can transmit the electric energy of the first device to the battery through the first type of electromagnetic induction.
Step 903: if the first switch is in a closed state and the second switch is in an open state, the second electric energy transmission module is triggered to be in a power supply state, and the second electric energy transmission module in the power supply state can transmit the electric energy in the battery to second equipment through second type of electromagnetic induction.
It should be understood by those skilled in the art that the circuit control method shown in fig. 9 can be understood by referring to the related description of the charging process and the power supply process in the electronic device described above.
The technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.
In the embodiments provided in the present invention, it should be understood that the disclosed method and intelligent device may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one second processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (10)
1. An electronic device, comprising:
a battery for storing electrical energy;
the first power transmission module is connected with the battery and can be used for generating first type electromagnetic induction with first equipment and transmitting the power of the first equipment to the battery through the first type electromagnetic induction;
the second power transmission module is connected with the battery and can be used for generating second type electromagnetic induction with second equipment and transmitting the power in the battery to the second equipment through the second type electromagnetic induction;
a sensor capable of determining a pose of the electronic device to determine an operational state of the electronic device based on the pose; the pose of the electronic device includes an orientation of the electronic device surface.
2. The electronic device of claim 1,
the first power transfer module comprises a coil for effecting the first type of electromagnetic induction;
the second power transfer module comprises a coil for effecting the second type of electromagnetic induction;
wherein the coil for implementing the first type of electromagnetic induction and the coil for implementing the second type of electromagnetic induction are the same coil.
3. The electronic device of claim 2,
the first electric energy transmission module further comprises a circuit for realizing a charging function and a battery adapting circuit;
the second electric energy transmission module also comprises a circuit for realizing a power supply function and a voltage drop conversion circuit;
the circuit for realizing the charging function and the circuit for realizing the power supply function are the same circuit, wherein,
the first end of the circuit is connected with the coil, the second end of the circuit is connected with the battery adapting circuit through a first switch, and is connected with the voltage drop conversion circuit through a second switch, and the battery adapting circuit and the voltage drop conversion circuit are both connected with the battery.
4. The electronic device of claim 3, further comprising: the control module is connected with the first switch and the second switch and used for controlling the states of the first switch and the second switch; wherein the content of the first and second substances,
if the first switch is in an on state and the second switch is in an off state, the electric energy transmission device is in a charging state;
and if the first switch is in a closed state and the second switch is in an open state, the electric energy transmission device is in a power supply state.
5. The electronic device of claim 4, further comprising:
and the input module is connected with the control module and used for triggering the control module to control the first switch to be in an on state or an off state and control the second switch to be in an off state or an on state when the switching signal is acquired.
6. The electronic device according to claim 4, wherein the sensor is connected to the control module and configured to detect an environmental parameter, and if the environmental parameter satisfies a first preset condition, the control module is triggered to control the first switch to be in an on state or an off state, and control the second switch to be in an off state or an on state.
7. The electronic device of claim 6, wherein the coil is disposed on a first side of the electronic device;
the sensor is used for detecting a state parameter of the first side; and if the state parameter of the first side meets a second preset condition, triggering the control module to control the first switch to be in an on state or an off state, and controlling the second switch to be in an off state or an on state.
8. The electronic device of claim 1, further comprising:
and the fixing device can form an accommodating space on the outer side of the electronic device corresponding to the second power transmission module, and the relative position relation of the target equipment relative to the electronic device can be maintained through the accommodating space.
9. The electronic device as claimed in claim 8, wherein the accommodating space formed by the fixing device has at least two accommodating states.
10. A circuit control method applied to the electronic device of any one of claims 1 to 9, comprising:
controlling a first switch in the first power transmission module and a second switch in the second power transmission module based on the detected control signal;
if the first switch is in an on state and the second switch is in an off state, triggering the first power transmission module to be in a charging state, wherein the first power transmission module in the charging state can transmit the power of the first device to the battery through a first type of electromagnetic induction;
if the first switch is in a closed state and the second switch is in an open state, triggering the second power transmission module to be in a power supply state, wherein the second power transmission module in the power supply state can transmit the power in the battery to second equipment through second type of electromagnetic induction;
wherein the control signal is generated by a determined pose of the electronic device, the pose comprising an orientation of a surface of the electronic device.
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| CN103918157A (en) * | 2011-11-18 | 2014-07-09 | 索尼公司 | Electronic apparatus, charge control method, charging system, and data transfer system |
| CN204013677U (en) * | 2014-09-01 | 2014-12-10 | 络派模切（北京）有限公司 | Wireless charging electric discharge Cellphone Accessories |
| CN206422571U (en) * | 2017-01-24 | 2017-08-18 | 深圳市格尔通信技术有限公司 | Wireless charging device and system |
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| CN103595084A (en) * | 2013-07-16 | 2014-02-19 | 深圳市民展科技开发有限公司 | Mobile power source having wireless charging and discharging functions |
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